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A032057
Doubles (index 2+) under "BGJ" (reversible, element, labeled) transform.
0
2, 2, 12, 174, 2880, 67560, 1905960, 63251370, 2418101280, 104707709820, 5063563002960, 270496771471080, 15820958657223720, 1005528154974983640, 69006386355388962480, 5085661679602382028150
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..16.
CROSSREFS
Sequence in context:
A032069
A003090
A032152
*
A364774
A130718
A268528
Adjacent sequences:
A032054
A032055
A032056
*
A032058
A032059
A032060
KEYWORD
nonn
AUTHOR
Christian G. Bower
STATUS
approved
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Last modified March 29 10:44 EDT 2024. Contains 371268 sequences. (Running on oeis4.)